Regular Expressions 101

Pro

^start of line

Group 1(.*?)

.*?any character (except for line terminators), repeated any number of times

= the literal text =

Group 2(.*(?:\R(?!.*? = ).*)*)

.*any character (except for line terminators), repeated any number of times

Non-Capturing Group(?:\R(?!.*? = ).*)*

*repeats the group contents below any number of times:

\Ra newline sequence

Negative Lookahead(?!.*? = )

.*?any character (except for line terminators), repeated any number of times

= the literal text =

.*any character (except for line terminators), repeated any number of times

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^(.*?) = (.*(?:\R(?!.*? = ).*)*)$

New

groupid = foo
location = westus
randomkey = fbae3700c34cb06c
resourcename = example4-resourcegroup
tls_private_key = -----BEGIN RSA PRIVATE KEY-----
//stuff
-----END RSA PRIVATE KEY-----

foo = 123
faa = 223

Extraction

groupid = foo
location = westus
randomkey = fbae3700c34cb06c
resourcename = example4-resourcegroup
tls_private_key = -----BEGIN RSA PRIVATE KEY-----
//stuff
-----END RSA PRIVATE KEY-----

foo = 123
faa = 223